Toggle Theme Button not working

[sanam-b]

Describe the bug
When u click on the "change theme" button it won't change your background theme

To Reproduce
Steps to reproduce the behavior:
1.Open the website
2. See on the top right side of the screen
3. Click on the that button
4. See error

Expected behavior
It should have changed the background theme from dark to light or light to dark as soon as you click

Hello @Priyaaa1 please assign me this issue under gssoc'24

[github-actions]

Thank you for creating this issue! We'll look into it as soon as possible. Your contributions are highly appreciated! 😊

[rohitroy-github]

We have a similar issue raised so we'll update you regarding this soon.